I think his injury problems is over played liao lah... Many players gets injured over time... Owen get injured and it gets reported much more than normal in the UK press... Probably because he is Michael Owen...
He may have got injured in the past but was he any worse than Rosicky, Robin VP, Kewell, Ledley King, Eduardo, Woodgate, Saha?
Even Drogba, Ballack, Terry, Joe Cole, Morten Gamst Pedersen, Dean Ashton, Hargreaves have been in and out injured these last 2 years... And Torres is becoming an injury prone player to me as well...
Some of the named mentioned above are far worse than Owen and yet not much is talk about... So I belief Owen's fitness it still very good and United got a real bargain of a deal...